Question

Find the simplified form of the expression. Give your answer in scientific notation. ( 3 x 10^-6)( 6 x 10^-8)

Answer 1

$\left(3\cdot10^{-6}\right)\left(6\cdot10^{-8}\right)=(3\cdot6)\left(10^{-6}\cdot10^{-8}\right)=18\cdot10^{-6+(-8)}\\\\=18\cdot10^{-14}=1.8\cdot10^{-13}$

$Used:\\a^n\cdot a^m=a^{n+m}$